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Linear functions SAT question
Math · Algebra · Easy · Answer it here, explanation included.
If f is the function defined by 
, what is the value of 
?
ExplanationShow
Choice C is correct. If , then 
.
Choice A is incorrect and may result from not multiplying x by 2 in the numerator. Choice B is incorrect and may result from dividing 2x by 3 and then subtracting 1. Choice D is incorrect and may result from evaluating only the numerator 2x – 1.
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